{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["cell line", "cell type", "protein", "RNA", "DNA"], "input": "In vitro transcription analysis using protein fractions enriched for the octamer-binding protein OTF-2 demonstrate a positive functional role for OTF-2 in DRA gene transcription ."}
{"cell line": [], "cell type": [], "protein": ["OTF-2"], "RNA": [], "DNA": ["DRA gene"]}